PCOS phenotypes A and B are more common and linked to higher health risks in women from the Ecuadorian Andes.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
November 2025 in “Anxiety Stress & Coping” Higher anxiety symptoms and social behavior affect stress levels in hair.
391 citations
,
January 2010 in “Journal of The American Academy of Dermatology” Half of people with Alopecia Areata may see hair regrowth within a year without treatment, but recovery is unpredictable.
1 citations
,
April 2023 in “Archives of Dermatological Research” Skin emergency severity rises with other health issues and affects multiple organs; a new grading system can improve patient care.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
Psoriasis is a common, genetically influenced skin disease worsened by stress and lifestyle, but targeted treatments are promising.
April 2025 in “Frontiers in Genetics” Combining genetic models helps improve heat tolerance in beef cattle.
October 2022 in “Respiratory Medicine” Patients treated in Respiratory Intensive Care Units for COVID-19 are more likely to get mood disorders than those in other care settings.
March 2021 in “Research Square (Research Square)” Stress likely causes hair loss in Formosan macaques.
1 citations
,
September 2022 in “Journal of the European Academy of Dermatology and Venereology” Hair and scalp disorder visits at a medical center increased over the past decade.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
1 citations
,
March 2023 in “PloS one” Different amounts of daylight affect cashmere growth in goats by changing the activity of certain genes and molecules.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
4 citations
,
November 2024 in “Anais Brasileiros de Dermatologia” Various factors like genetics, pollution, and lifestyle choices can damage hair over time.
May 2026 in “Indian Journal of Medical Biochemistry” Hair biomarkers can help assess chronic stress in women's reproductive health but need standardized methods and regional studies.
May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
1 citations
,
January 2022 in “Turkiye Klinikleri Journal of Dermatology” Lifestyle changes during the early COVID-19 outbreak led to more cases of acne and other skin conditions, but fewer cases of rosacea and skin infections.
July 2012 in “Hair transplant forum international” Lifestyle choices like stress, smoking, heavy drinking, sun exposure, and chemical hair treatments might speed up hair loss in people with androgenetic alopecia.
3 citations
,
December 2024 in “International Journal of Dermatology” Premature hair graying is caused by genetics, stress, and lifestyle, and affects mental health.
2 citations
,
August 2021 in “Canadian Family Physician” COVID-19 can cause rashes and worsen existing skin conditions, and behaviors like frequent hand-washing can lead to hand dermatitis.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased energy use in Pik3r1-related insulin resistance isn't due to Ucp1 thermogenesis.
The paper concludes that the patchiness of alopecia areata is likely due to when the immune attack happens in the hair growth cycle.
1 citations
,
August 2021 in “Journal of Cosmetic Dermatology” Female pattern hair loss is more common in rural areas among secondary school girls.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
5 citations
,
August 2016 in “bioRxiv (Cold Spring Harbor Laboratory)” Genetic factors can predict male pattern baldness risk.
1 citations
,
December 2013 in “International Journal of Dermatology” May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
123 citations
,
May 2020 in “Drug Development Research” Men's sensitivity to male hormones might affect how severe COVID-19 gets for them.
9 citations
,
January 2015 in “Medical hypotheses” TCDD disrupts skin stem cells, causing skin issues like chloracne.